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Questions tagged [execjs]

ExecJS lets you run JavaScript code from Ruby. It automatically picks the best runtime available to evaluate your JavaScript program, then returns the result to you as a Ruby object.

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ExecJS::RuntimeError on any page including coffeescript

ExecJS::RuntimeError in Users#index I'm getting an error like this on every single page of my app. Everything used to work... for some reason it isn't working now when I restarted my app. I am on Windows I have node already installed, tried adding…
K2xL
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How to prevent cmd.exe to hit the network when using double slashes with cscript.exe?

Some background: In my Rails environment I'm using CoffeeScript which uses ExecJS which uses the Windows Scripting Host to execute Javascript files. Unfortunately I'm experiencing huge delays (> 30 seconds) when my CoffeeScript files are…
Daniel Rikowski
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Rails 3.2.3 ExecJS::RuntimeError

I'm getting ExecJS::RuntimeError when i try to start Rails server and the server log gives me the following: ActionView::Template::Error (delete operand may not be argument or var (in…
Sergey Kishenin
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Ruby on Rails: segmentation fault when running 'rake assets:precompile'

Since two days, I am not able to compile the javascript assets in my ruby on rails project anymore. If I do not run the precompile command, the same fault occurs when ruby is compiling the assets at runtime. The 'rake assets:precompile' command…
Jos
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Problems with using execjs

I use execjs call js error execjs._exceptions.ProcessExitedWithNonZeroStatus: (101, '', "/var/folders/wd/2zd15m2d79j00 Executing with VSCode has no problems, but executing with pycharm has errors. I have installed node version 18. There is no…
Mourner
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Rails on Docker won't start - execjs does not find JavaScript runtime (node)

I am building a docker version of my rails 6.1.3.1 app. The original app runs fine on Ubuntu 20.04.2 with Node and I took the setup roughly from there. In Docker, Node installs fine via NVM but unfortunately Rails does not find it at startup. It…
derhottevomdorf
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Why does it appear a window in a flash when I use "call" in execjs, python?

I'm sure the problem happens here: self.js_fun.call('myfunc') and I have initialized js_fun: self.js_fun = execjs.compile(f.read()) just as the title, there will always be a sudden window as it executes, and disappeared as fast as a HK…
jljljl
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ExecJS::RuntimeError using await Unexpected token (48:10)

I am getting a error ExecJS::RuntimeError Unexpected token (48:10) when using await. > 48 | for await (let worksheet of wrksheets) { I am using Rails 5.2 and below are the relevant content of my Gemfile. I am trying this on my local machine…
opensource-developer
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Q: How do you execute JavaScript library in RSpec?

I want to execute some JS library in RSpec. for example I can execute "Payment Library" of JavaScript Library in HTML like below. …
Kouta Osabe
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Passenger + Ruby/ExecJS not finding NodeJS

I have a Ruby on Rails application deployed using capistrano on a server with ubuntu 16.04 + nginx + passenger5 + ruby 2.5.0 (via rbenv) + nodejs 9.4. For some unknown reason when I open the website passenger returns an error: There was an error…
Proz1g
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Getting ExecJS when compiling rassets:precompile against production

So I am running into an odd issue. I cannot precompile assets on Rails 5 against production. I keep getting the same error message, irrespective if I precompile on the server itself or on my local environment. georg$ RAILS_ENV=production bundle…
Georg Keferböck
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windows - Ruby on Rails ExecJS::ProgramError

enter image description here I have a problem to run my ruby on rails simple blog. Can I solve this problem on Windows OS?
hyung jun yoo
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Trianglify.js generate backgrounds on server side (ruby)

I'm trying to generate triangle-pattern backgrounds server-side (ruby) using trianglify.js and gem 'therubyracer' (also tried execjs - same error) I use the following code require 'v8' cxt = V8::Context.new cxt.load('trianglify.js') png =…
Ilya Cherevkov
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ExecJS Error when pushing to heroku

I have a rails app that I'm trying to push heroku but it fails each time with this message: ExecJS::RuntimeError: SyntaxError: Unexpected token: eof (undefined) (line: 14023, col: 0, pos: 385975) as well as some JS parsing errors. I have no idea…
tx291
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heroku - could not find a javascript runtime

I am getting the following error message in the heroku logs when trying to access the application from the browser: Gem Load Error is: Could not find a JavaScript runtime. See https://github.com/rails/execjs for a list of available runtimes. This…
Prakash Murthy
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